Balance Sheets - Pepco (Parentheticals) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Aug. 04, 2022
Accumulated depreciation and amortization	$ 17,251	$ 15,930
Common stock (in usd per share)			$ 0
Common stock, shares authorized (in shares)	2,000,000,000	2,000,000,000
Common stock, shares, outstanding (in shares)	999,000,000	994,000,000
Potomac Electric Power Company
Accumulated depreciation and amortization	$ 4,284	$ 4,067
Common stock (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares, outstanding (in shares)	100	100